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Engine Fuel: Removal & Installation Isuzu Axiom I

Fuel System 3 illustrations ~413 words

REMOVAL

CAUTIONWhen repair to the fuel system has been completed, start engine and check the fuel system for loose connection or leakage. For the fuel system diagnosis, refer to BASIC DIAGNOSTIC PROCEDURES .

Scheme 8

Scheme 8
Scheme 8
  1. Disconnect battery ground cable.
  2. Remove Fuel filler cap (1).
  3. Disconnect fuel hoses (1) from fuel filter on both engine side and fuel tank side.
  4. Fuel filter fixing bolt (2). Remove the fuel filter fixing bolt (2) on fuel filter holder.
  5. Remove fuel filter (3).

Scheme 9

Scheme 9
Scheme 9
CAUTIONWhen repair to the fuel system has been completed, start engine and check the fuel system for loose connection or leakage. For the fuel system diagnosis, refer to BASIC DIAGNOSTIC PROCEDURES .
  1. Remove fuel tank assembly (8). Refer to «FUEL TANK»(ref-194300-S23951188742005092700000) .
  2. Remove Fuel Tube/Quick Connector (2). NOTE: Refer to «FUEL TUBE / QUICK - CONNECTOR FITTINGS»(ref-194300-S06610079972005092700000) when performing any repairs.
  3. Remove the retainer (7) with tool J-39763 and remove the fuel pump and sender (FPS) assembly (4).

Scheme 10

Scheme 10
Scheme 10

Note. After removing pump assembly (4), cover fuel tank to prevent any dust entering.

INSTALLATION

  1. Install FPS assembly (4) with retainer (7) and new seal; fuel pump (9) by J-39765.
  2. Install Fuel Tube/Quick Connector (2). NOTE: Refer to «FUEL TUBE / QUICK - CONNECTOR FITTINGS»(ref-194300-S06610079972005092700000) when performing any repairs.
  3. Install fuel tank assembly (8). Refer to «FUEL TANK»(ref-194300-S23951188742005092700000) .
CAUTIONWhen repair to the fuel system has been completed, start engine and check the fuel system for loose connection or leakage. For the fuel system diagnosis, refer to FUEL SYSTEM .
  1. Drain the fuel from the fuel tank. Refer to «FUEL PUMP FLOW TEST»(ref-194300-S22550116192005092700000) in this section.
  2. Disconnect battery ground cable.
  3. Loosen fuel filler cap to reduce the pressure in fuel tank.
  4. Support underneath of the fuel tank assembly (1) with a lifter.
  5. Disconnect fuel feed hose (7) and fuel return hose (8) near the fuel filter. NOTE: Plug both ends of the fuel hoses to prevent fuel leakage.
  6. Disconnect fuel filler hose (5) and fuel vent hose (6) at the fuel filler neck. NOTE: Cover fuel hoses to prevent any dust entering.
  7. Remove two bolts (4) and remove separator.
  8. Remove the five fuel tank assembly fixing bolts (2) and one nut (3).
  9. Lower the tank and disconnect the wiring connectors (9, 10).
  1. Raise the fuel tank assembly (1) and connect the wiring connectors (9, 10).
  2. Install fuel tank assembly along with protectors and tighten the five fixing bolts (2) and one nut
  3. (3) to the specified torque. Torque: 68 N.m (50 lb ft)
  4. Install the separator and tighten two bolts (4). Torque: 10 N.m (95 lb in)
  5. Connect fuel filler hose (5) and fuel vent hose and clip them firmly.
  6. Connect fuel feed hose (7) and fuel return hose (8), and clip them firmly.
  7. Tighten fuel filler cap until at least three clicks are heard.
  8. Connect battery ground cable.

REMOVAL AND INSTALLATION

Refer to FUEL PUMP in this section for removal and installation of the Fuel Gauge Unit, since the fuel gauge unit is linked to the fuel pump and sender assembly.

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